Equivalence Test for 2x2 Crossover Design

Descriptive Statistics

  

The table of descriptive statistics shows the sample sizes for each sequence, as well as the mean and the standard deviation of each period of each sequence. The table also shows the within-subject standard deviation.

Example Output

Descriptive Statistics

 

                 Period 1         Period 2

Sequence  N    Mean    StDev    Mean    StDev

1         9  4.0911  0.68641  4.3144  0.63677

2         8  4.1862  0.74110  3.7675  0.65741

 

Within-subject standard deviation = 0.08825

Interpretation

The generic antacid was given during Period 1 of Sequence 1 and Period 2 of Sequence 2. So the means for the generic antacid are 4.0911 and 3.7675. The means for the brand-name antacid are 4.1862 and 4.3144.

The within-subject standard deviation is 0.08825.

 


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